package com.learn.yijia.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.learn.yijia.common.R;
import com.learn.yijia.dto.SetmealDto;
import com.learn.yijia.entity.Category;
import com.learn.yijia.entity.Setmeal;
import com.learn.yijia.entity.SetmealDish;
import com.learn.yijia.service.CategoryService;
import com.learn.yijia.service.SetmealDishService;
import com.learn.yijia.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    @CacheEvict(value = "setmealCache", allEntries = true)
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息:{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPageInfo = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null, Setmeal::getName, name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        BeanUtils.copyProperties(pageInfo, dtoPageInfo, "records");

        dtoPageInfo.setRecords(
                pageInfo.getRecords().stream().map((item)->{
                    Long id = item.getCategoryId();
                    Category category = categoryService.getById(id);

                    SetmealDto setmealDto = new SetmealDto();
                    BeanUtils.copyProperties(item, setmealDto);

                    if(category != null){
                        setmealDto.setCategoryName(category.getName());
                    }


                    return setmealDto;
                }).collect(Collectors.toList())
        );


        return R.success(dtoPageInfo);
    }
    @DeleteMapping
    @CacheEvict(value = "setmealCache", allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        setmealService.removeWithDish(ids);
        return R.success("套餐数据产出成功");
    }

    @GetMapping("/list")
    @Cacheable(value = "setmealCache", key = "#setmeal.categoryId + '_' + #setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);

    }

}
